Perhaps you should try some spelling variations:
u.s communications » 3.1 communications, les communications, nps communications
technologies can » technologies a, technologies co, technologies _
developpement du » developpement de, developpement des, developpement et
can information » von information, von informationen
du afrique » en afrique, l afrique, de l'afrique
de u.s » der u.s, do u.s
2 le » 2 la, 2 de, 2 re

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: technologies can information _ de u.s communications ((2 le) OR (2 les)) developpement du afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies can information _ de u.s communications ((2 le) or (2 les)) developpement du afrique.*.